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SELECT IDCLIENT, NAME
FROM CLIENT NATURAL JOIN ORDERS NATURAL JOIN BOOKS_ORDER
WHERE ISBN='4554672899910';
SELECT IDCLIENT, NAME, TITLE
FROM CLIENT NATURAL JOIN ORDERS NATURAL JOIN BOOKS_ORDER NATURAL JOIN BOOK
WHERE NAME LIKE '%Jo%';
SELECT DISTINCT IDCLIENT, NAME
FROM CLIENT NATURAL JOIN ORDERS NATURAL JOIN BOOKS_ORDER NATURAL JOIN BOOK
WHERE BOOK.SALEPRICE>10;
SELECT IDCLIENT, NAME
FROM CLIENT
WHERE IDCLIENT=(
SELECT IDCLIENT
FROM ORDERS
GROUP BY(IDCLIENT,DATEORDER)
HAVING COUNT(DATEORDER)>1
);
SELECT IDCLIENT, NAME, DATEORDER
FROM CLIENT NATURAL JOIN ORDERS
WHERE DATEEXPED IS NULL;
SELECT DISTINCT IDCLIENT, NAME
FROM CLIENT
WHERE IDCLIENT NOT IN (
SELECT IDCLIENT
FROM ORDERS NATURAL JOIN BOOKS_ORDER NATURAL JOIN BOOK
WHERE SALEPRICE < 10
);
SELECT TITLE, AÑO, SALEPRICE
FROM BOOK
WHERE AÑO<'2000' OR SALEPRICE>30;
SELECT TITLE, ISBN, SUM(AMOUNT)
FROM BOOKS_ORDER NATURAL JOIN BOOK
GROUP BY TITLE, ISBN
ORDER BY SUM(AMOUNT) DESC;
SELECT IDCLIENT, NAME, SUM(AMOUNT*SALEPRICE) "Total"
FROM CLIENT NATURAL JOIN ORDERS NATURAL JOIN BOOKS_ORDER NATURAL JOIN BOOK
GROUP BY IDCLIENT, NAME;
SELECT SUM(AMOUNT*(SALEPRICE-PURCHASEPRICE)) "Total"
FROM BOOKS_ORDER NATURAL JOIN BOOK;
SELECT IDORDER, SUM(AMOUNT*SALEPRICE) "TOTAL"
FROM BOOKS_ORDER NATURAL JOIN BOOK
GROUP BY IDORDER
HAVING SUM(AMOUNT*SALEPRICE)>100
ORDER BY IDORDER;
SELECT IDORDER, SUM(AMOUNT*SALEPRICE) "TOTAL"
FROM BOOKS_ORDER NATURAL JOIN BOOK
GROUP BY IDORDER
HAVING COUNT(TITLE)>1;
SELECT IDORDER, SUM(AMOUNT*SALEPRICE) "Total"
FROM BOOKS_ORDER NATURAL JOIN BOOK
WHERE AMOUNT>4
GROUP BY IDORDER;
SELECT ISBN, TITLE, SALEPRICE
FROM BOOK
WHERE SALEPRICE IN (SELECT MAX(SALEPRICE) FROM BOOK);
SELECT ISBN, TITLE
FROM BOOK
WHERE(SALEPRICE-PURCHASEPRICE)<5 OR ISBN NOT IN(
SELECT DISTINCT ISBN FROM BOOKS_ORDER
);
SELECT NAME
FROM CLIENT NATURAL JOIN ORDERS
WHERE IDORDER IN (
SELECT IDORDER
FROM BOOKS_ORDER
WHERE AMOUNT>1
);
https://github.com/XD-DENG/SQL-exercise
Select the title of all movies.
Show all the distinct ratings in the database.
Show all unrated movies.
Select all movie theaters that are not currently showing a movie.
Select all data from all movie theaters and, additionally, the data from the movie that is being shown in the theater (if one is being shown).
Select all data from all movies and, if that movie is being shown in a theater, show the data from the theater.
Show the titles of movies not currently being shown in any theaters.
select title from movies;
select distinct rating from movies;